* {
    margin: 0;
    padding: 0;
    list-style: none;
    box-sizing: border-box;
}


.box1 {
    position: absolute;
    width: 50%;
    height: 100%;
    display: flex;
    right: 0;
    z-index: 1;
}

.box2 {
    position: absolute;
    left: 0px;
    width: 50%;
    height: 100%;
    display: flex;
    flex-flow: column;
    animation: 3s;
    animation-name: slidebox;

}

.welcome {
    width: 250px;
    padding: 50px;
    float: left;
}

.welcome .title {
    font-size: 70px;
    width: 70%;
    min-width: 150px;
    height: 180px;
    color: white;
    overflow: hidden;
}

.name {
    width: 550px;
    height: 70px;
    overflow: hidden;
    text-align: center;
    font-size: 50px;
    color: white;
    position: absolute;
    right: 0;
    bottom: 0;
    text-align: center;
}

.down {
    display: flex;
    width: 100%;
    min-width: 200px;
}

.down .need {
    overflow: hidden;
    min-width: 200px;
    height: 180px;
    display: flex;
    flex-flow: column;
    justify-content: baseline;
    padding: 10px;
}

.down .need p {
    flex: 1;
    color: white;
}

.tie {
    flex: 1;
}

.banner1 {
    background-color: #247cff;
    animation: 1.5s;
    animation-name: slide1;
}


.banner2 {
    background-color: #ffffff;
    animation: 1.9s;
    animation-name: slide1;
}

.banner5 {
    background-color: #ffffff;
    animation: 2.5s;
    animation-name: slide1;
}

@keyframes slide1 {
    from {
        margin-top: 100%;
        width: 300%;
    }

    to {
        margin-top: 0;
        width: 100%;
    }
}

.banner3 {
    float: left;
    background-color: #7b8bff;
    animation: 1s;
    animation-name: slide2;
    position: relative;
}

.banner4 {
    float: left;
    background-color: #5e71ff;
    animation: 1.5s;
    animation-name: slide2;
}

@keyframes slide2 {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

@keyframes slidebox {
    from {
        right: 100%;
    }

    to {
        right: 0;
    }
}

.slidep {
    position: absolute;
    width: 100%;
    height: 70px;
    background-color: #ffe100;
    z-index: 2;
    bottom: 20px;
    overflow: hidden;
    float: left;
}

.slidep p {
    float: left;
    margin-left: 20px;
    text-align: center;
    height: 100%;
    line-height: 70px;
    font-size: 27px;
    font-weight: 700;
}

.slidebox {
    margin: 0 auto;
    width: 100%;
    height: 100%;
    animation: 20s wordsLoop linear infinite normal;
}

@keyframes wordsLoop {
    0% {
        transform: translateX(100%);
    }

    100% {
        transform: translateX(-100%);
    }
}

.question1 {
    position: relative;
    background-image: url(eg.jpg);
    justify-content: center;
    background-size: 130%;
    background-repeat: no-repeat;
    background-position: center;
    transition: all ease-in-out .3s;
}

.mask {
    display: block;
    width: 100%;
    height: 100%;
    background-color: rgba(240, 248, 255, 0.597);
    backdrop-filter: blur(7px);
    transition: all ease-in-out .3s;
}

.mask:hover {
    cursor: pointer;
    backdrop-filter: blur(0px);
}

.question1:hover {
    background-size: 140%;
}

.question1 .logo {
    background-image: url(logo1.png);
    background-repeat: no-repeat;
    background-size: 100%;
    background-position: center;
    width: 150px;
    height: 150px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top: -75px;
    margin-left: -75px;
}

.question2 {
    position: relative;
    background-image: url(clock.png);
    justify-content: center;
    background-size: 130%;
    background-repeat: no-repeat;
    background-position: center;
    transition: all ease-in-out .3s;
}

.question2:hover {
    background-size: 140%;
}

.question2 .logo1 {
    background-image: url(clock_logo.jpg);
    background-repeat: no-repeat;
    background-size: 100%;
    background-position: center;
    width: 150px;
    height: 150px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top: -75px;
    margin-left: -75px;
}

.question3 {
    position: relative;
    background-image: url(baike.jpg);
    justify-content: center;
    background-size: 130%;
    background-repeat: no-repeat;
    background-position: center;
    transition: all ease-in-out .3s;
}

.question3:hover {
    background-size: 140%;
}

.question3 .logo1 {
    background-image: url(baike.png);
    background-repeat: no-repeat;
    background-size: 100%;
    background-position: center;
    width: 150px;
    height: 150px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top: -75px;
    margin-left: -75px;
}